From 3d6123e69ab879c72ff489afc5bf93ef0b7a94ce Mon Sep 17 00:00:00 2001
From: Michael Brown
Date: Tue, 8 Mar 2005 18:53:11 +0000
Subject: Initial revision

---
 src/include/igmp.h | 23 +++++++++++++++++++++++
 1 file changed, 23 insertions(+)
 create mode 100644 src/include/igmp.h

(limited to 'src/include/igmp.h')

diff --git a/src/include/igmp.h b/src/include/igmp.h
new file mode 100644
index 00000000..2235d6c6
--- /dev/null
+++ b/src/include/igmp.h
@@ -0,0 +1,23 @@
+#ifndef	_IGMP_H
+#define	_IGMP_H
+
+#define IGMP_QUERY	0x11
+#define IGMPv1_REPORT	0x12
+#define IGMPv2_REPORT	0x16
+#define IGMP_LEAVE	0x17
+#define GROUP_ALL_HOSTS 0xe0000001 /* 224.0.0.1 Host byte order */
+
+struct igmp {
+	uint8_t  type;
+	uint8_t  response_time;
+	uint16_t chksum;
+	in_addr group;
+} PACKED;
+
+struct igmp_ip_t { /* Format of an igmp ip packet */
+	struct iphdr ip;
+	uint8_t router_alert[4]; /* Router alert option */
+	struct igmp igmp;
+} PACKED;
+
+#endif	/* _IGMP_H */
-- 
cgit v1.2.3-55-g7522